Antihistamine for topical use both on nose and eye. Plasma concentrations reached are very low and, according to the manufacturer, it is excreted into breastmilk in clinically non-significant amount at 0.3 to 0.6% of maternal dose: 1.5 to 3 micrograms. As in most ophthalmic and nasal topically used preparations, the tiny dose and poor levels in the blood, render it compatible with breastfeeding.